3.1 MEANINGS/DEFINATIONS:
1. Fabric – cloth made from natural or artificial source.
2. Cellulose – Natural polymer found in plant cells.
3. Artificial silk or Rayon – Material obtained by chemical treatment of wood pulp.
4. Acrylic – Synthetic fibres which resemble natural wool.
5. Petrochemicals – Raw material of petroleum origin.
6. Thermosetting plastics – Plastics which moulded once, cannot be softened by heating.
7. Teflon – A special plastic on which water and oil do not stick.
8. Biodegradable – Material which gets decomposed through natural processes.